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error_test.go
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package web_test
import (
"fmt"
"github.com/gocraft/web"
. "launchpad.net/gocheck"
"net/http"
"strings"
)
type ErrorTestSuite struct{}
var _ = Suite(&ErrorTestSuite{})
func ErrorHandlerWithNoContext(w web.ResponseWriter, r *web.Request, err interface{}) {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintf(w, "Contextless Error")
}
func (s *ErrorTestSuite) TestNoErorHandler(c *C) {
router := web.New(Context{})
router.Get("/action", (*Context).ErrorAction)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Application Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Application Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
}
func (s *ErrorTestSuite) TestHandlerOnRoot(c *C) {
router := web.New(Context{})
router.Error((*Context).ErrorHandler)
router.Get("/action", (*Context).ErrorAction)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "My Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "My Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
}
func (s *ErrorTestSuite) TestContextlessError(c *C) {
router := web.New(Context{})
router.Error(ErrorHandlerWithNoContext)
router.Get("/action", (*Context).ErrorAction)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Contextless Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Contextless Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
}
func (s *ErrorTestSuite) TestMultipleErrorHandlers(c *C) {
router := web.New(Context{})
router.Error((*Context).ErrorHandler)
router.Get("/action", (*Context).ErrorAction)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Error((*AdminContext).ErrorHandler)
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "My Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Admin Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
}
func (s *ErrorTestSuite) TestMultipleErrorHandlers2(c *C) {
router := web.New(Context{})
router.Get("/action", (*Context).ErrorAction)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Error((*AdminContext).ErrorHandler)
admin.Get("/action", (*AdminContext).ErrorAction)
api := router.Subrouter(ApiContext{}, "/api")
api.Error((*ApiContext).ErrorHandler)
api.Get("/action", (*ApiContext).ErrorAction)
rw, req := newTestRequest("GET", "/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Application Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Admin Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
rw, req = newTestRequest("GET", "/api/action")
router.ServeHTTP(rw, req)
c.Assert(strings.TrimSpace(string(rw.Body.Bytes())), Equals, "Api Error")
c.Assert(rw.Code, Equals, http.StatusInternalServerError)
}
func (s *ErrorTestSuite) TestRootMiddlewarePanic(c *C) {
router := web.New(Context{})
router.Middleware((*Context).ErrorMiddleware)
router.Error((*Context).ErrorHandler)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Error((*AdminContext).ErrorHandler)
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
assertResponse(c, rw, "My Error", 500)
}
func (s *ErrorTestSuite) TestNonRootMiddlewarePanic(c *C) {
router := web.New(Context{})
router.Error((*Context).ErrorHandler)
admin := router.Subrouter(AdminContext{}, "/admin")
admin.Middleware((*AdminContext).ErrorMiddleware)
admin.Error((*AdminContext).ErrorHandler)
admin.Get("/action", (*AdminContext).ErrorAction)
rw, req := newTestRequest("GET", "/admin/action")
router.ServeHTTP(rw, req)
assertResponse(c, rw, "Admin Error", 500)
}
func (s *ErrorTestSuite) TestConsistentContext(c *C) {
router := web.New(Context{})
router.Error((*Context).ErrorHandler)
admin := router.Subrouter(Context{}, "/admin")
admin.Error((*Context).ErrorHandlerSecondary)
admin.Get("/foo", (*Context).ErrorAction)
rw, req := newTestRequest("GET", "/admin/foo")
router.ServeHTTP(rw, req)
assertResponse(c, rw, "My Secondary Error", 500)
}